Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X15X10S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X15X10S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 15mm and 10mm give 4 controllable stop positions across a 25mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 115 mm
- Stroke 210 mm
- Total travel25 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X15X10S
The SCT80X15X10S is an 80 mm bore multi-position pneumatic cylinder that delivers four fixed rod positions from two short strokes on a common axis. The reachable stops are 0 mm (fully retracted), 15 mm (section one extended), 10 mm (section two extended), and 25 mm (both sections extended). With a 25 mm diameter rod and PT3/8 ports, each piston section generates 2513 N of push force at 0.5 MPa, rising to 4523 N at the maximum operating pressure of 0.9 MPa.
A built-in magnet on the barrel allows direct mounting of CMSG, DMSG, or EMSG sensors for non-contact position feedback at every stop. The cylinder body has an A-length of 296 mm and uses a 28 mm adjustable air cushion on each section to decelerate the load smoothly. TPU seals suit standard operating temperatures from -20 to +70 °C, and the tie-rod construction keeps the assembly rigid across the short 25 mm total travel.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X15X10S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X15X10S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 15 / 10 mm |
| Total travel | 25 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 28 mm |
| Max stroke / section | Up to 500 mm standard |
Specifications follow the official AirTAC SCT (multi-position) datasheet. SCT is available in bores 32–100; each of the two sections has a 500 mm max standard stroke (800 mm max). Confirm against the product label before installation. Thread options: PT (standard) / G.
Stop Positions (4)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 15 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 25 mm |
Positions are set by pressurising section 1, section 2, or both. With equal strokes you get 3 distinct positions; with unequal strokes you get 4.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Force is per actuated piston section (single-piston, same as the SC bore): push uses the full bore area, pull subtracts the rod area. Size with a safety margin.
Model Code: Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X15X10S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×15 | Stroke 1 (section 1) in mm. |
| ×10 | Stroke 2 (section 2) in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCD (double rod), SCJ (adjustable stroke). SCT mounting: Basic, FA, FB, CA, CB, LB. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X15X10S Is Used
Two-Level Part Presence
Extend the rod to 10 mm for a low-part sensor check and 15 mm for a high-part verification, using the built-in magnet to confirm each discrete stop with a reed switch.
Short-Stroke Label Application
Use the 15 mm stroke to pick a label and the 10 mm stroke to apply it with a lighter touch, giving two distinct pressure zones from one compact tandem cylinder.
Miniature Gate Diverter
Position a small diverter gate at 0°, 10 mm, 15 mm, or 25 mm to route lightweight packages to four separate lanes on a narrow conveyor section.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X15X10S the Right Cylinder?
Choose the SCT80X15X10S when a single actuator must index a part to two distinct short positions without the complexity of two separate cylinders and external hard stops. The 80 mm bore provides 2513 N of push per section at 0.5 MPa; if the application requires less force, stepping down to a 63 mm bore (1559 N push at 0.5 MPa) can reduce air consumption while still offering the same four-position logic. For a drop-in replacement, match the 80 mm bore, both strokes of 15 mm and 10 mm, PT port thread, basic mounting, and the -S magnet option—an SCT without the magnet will not accept the same sensor set.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 15 + 10 mm suit your layout?
- ✓ Required force at your working pressure
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Plumb the two sections to the correct valves for each stop.
- check Adjust end cushion screws for smooth stops.
- check Use SCT mounting accessory (FA / FB / CA / CB / LB).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X15X10S FAQ
The four discrete rod positions are 0 mm (fully retracted), 15 mm (first section extended), 10 mm (second section extended), and 25 mm (both sections extended, total travel). These stops are fixed by the two section strokes and are not infinitely adjustable.
Yes, provided the original unit matches the 80 mm bore, 15 mm and 10 mm strokes, PT port thread, basic mounting, and the -S magnet option. The built-in magnet is required for CMSG/DMSG/EMSG sensor compatibility. Always verify the port thread type, as a G-thread version would require an adapter.
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